... adjustment by rocking handle and digging rope. IntroductionManual Venetian blinds have different sizes of 16mm,25mm,35mm,50mm and 90mm ... suitable for indoor usage.More Information Type: Venetian Shutter, Curtains, Blinds Brand: Boosly Frame Material: Aluminum Alloy Blind: sunscreen, blackout ... Western Union, Cash etc Certification: CE, ISO, RoHS, SGS Elegent High Quality Basswood Venetian Window Blinds